For example, plasma membrane proteins carry out functions as diverse as ferrying nutrients across the plasma membrane, receiving chemical signals from outside the cell, translating chemical signals into intracellular action, and sometimes anchoring the cell in a particular location (Figure 4).nzymes are another type of protein, and these molecules catalyze the biochemical reactions that occur in cells. Yet other proteins work as monitors, changing their shape and activity in response to metabolic signals or messages from outside the cell.
Brown served as a mentor on Season 8 of The Next Food Network Star alongside Bobby Flay and Giada De Laurentiis. During season 8, each mentor selected and mentored a team of five finalists. Team Alton's finalist Justin Warner was the season 8 winner; however, Brown will not be producing Warner's show.
Sophina Brown. Sophina Brown (born September 18, 1976) is an American television actress. She starred as Raina Troy in the CBS legal drama Shark from 2006 to 2008, and later joined the cast of another CBS drama, Numb3rs, playing Nikki Betancourt from 2008 to 2010.